Characterization of Rapidly Solidified Al_{65}Cu_{20}Fe_{15} Alloy in Form of Powder or Ribbon

• Authors: L. Lityńska-Dobrzyńska , J. Dutkiewicz , K. Stan-Głowińska , L. Dembinski , C. Coddet , P. Ochin
• Languages of publication: EN

Abstracts

EN

The Al_{65}Cu_{20}Fe_{15} alloy has been prepared by conventional casting to the mould and by melt spinning or atomisation techniques. The melt spun ribbon was in the form of fragmented, brittle flakes, atomized powder has spherical shape with average size 17.2 μm. It was found that icosahedral I-phase was the main phase in all types of prepared samples. In the conventionally cast alloy the following phases have been identified additionally: λ-Al_{13}Fe_4, τ-AlCu(Fe) and η_2-AlCu. In the melt-spun ribbon the formation of η_2 is avoided, while in the atomised powder the I-phase coexists with small amount of copper rich τ-phase. In the cast ingot the I-phase form as a product of peritectic reaction λ + L, while in the ribbon and in the powder quasicrystal solidified from the undercooled melt as primary phase and next metastable cubic τ-AlCu(Fe) was formed at the interdendritic areas. Single I-phase grains of the sizes about 1 μm are observed in the ribbon close to the wheel side.

Keywords

EN

81.05.Bx; 81.30.-t; 61.44.Br; 61.05.cp; 61.05.jm

Discipline

• 81.30.-t: Phase diagrams and microstructures developed by solidification and solid-solid phase transformations(see also 64.70.K- Solid-solid transitions)
• 61.05.cp: X-ray diffraction
• 81.05.Bx: Metals, semimetals, and alloys
• 61.05.jm: Convergent-beam electron diffraction, selected-area electron diffraction, nanodiffraction
• 61.44.Br: Quasicrystals

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 2
• Pages: 512-515

Dates

published

2014-08

Contributors

author

L. Lityńska-Dobrzyńska

• Institute of Metallurgy and Materials Science, Polish Academy of Sciences, W.S. Reymonta 25, 30-059 Kraków, Poland

author

J. Dutkiewicz

• Institute of Metallurgy and Materials Science, Polish Academy of Sciences, W.S. Reymonta 25, 30-059 Kraków, Poland

author

K. Stan-Głowińska

• Institute of Metallurgy and Materials Science, Polish Academy of Sciences, W.S. Reymonta 25, 30-059 Kraków, Poland

author

L. Dembinski

• Université de Technologie de Belfort-Montbeliard, Site de Sevenans, 90010, Belfort, France

author

C. Coddet

• Université de Technologie de Belfort-Montbeliard, Site de Sevenans, 90010, Belfort, France

author

P. Ochin

• Institut de Chimie et des Matériaux Paris Est, CNRS-Université Paris XII, 2-8 rue Henri Dunant, 94320 Thiais, France

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Identifiers

DOI

10.12693/APhysPolA.126.512